Breast cancer is a disease that can sometimes lead to ovarian cancer and has caused the death of many women. “About 5-10% of breast cancer cases are thought to be hereditary, meaning they result from genetic defects called mutations inherited from a parent.” Related risks: early menstruation, oral contraceptives and pregnancy rate of 20%. (1) One environmental risk is that toxins can damage breast DNA. Over time, damaged DNA can lead to cancer. The risk of developing breast cancer increases with advancing age. “1 in 8 breast cancers are found in women younger than 45. 2 in 3 breast cancers are found in women 55 years or older with a 75% greater chance.”(1) Breast cancer can lead to Peutz Jeghers syndrome the effects of Peutz Jeghers there are spots on your lips and in their mouths. Women without children or who have had a child after age 30 have a slightly higher risk of breast cancer. “Breast cancer screening is an early diagnosis that increases your chances of survival, and annual mammography after age 40.” Women who took diethylstilbestrol during pregnancy may have a slightly higher risk of developing breast cancer. Contraceptives also cause higher risks, 40 to 50 percent, of breast cancer. The risk subsides after you stop taking it.(1) Using combined hormone therapy after menopause increases the risk of getting breast cancer, it also increases women's chances of dying from it. . If you are overweight or obese after menopause, your risk of breast cancer increases significantly by 20%. Drinking alcohol can have a major effect on the development of breast cancer, the risk increases the more you drink. Tobacco smoking, Night work, Antiperspirants, Bras and Induced abortion. Breast cancer costs a lot to women and men of all races and...... half of the document ...... has a 3-4 times greater risk of developing a new cancer in the other breast, this is different from a recurrence of the first cancer. “Overall, white women are slightly more likely to develop breast cancer than African American women.” 5-10% of breast cancers are caused by inherited genetic mutations. “2-5% caused by inherited mutations in the BRCA 1 and BRCA 2 genes.” High doses of radiation, as in the treatment of the disease, in women under 30 show an increased risk of breast cancer.(2) Having one risk factor, or even more, does not mean you will get the disease. If you are overweight, the link between this and your risk of breast cancer is about 25% overall. “You will need to exercise 1.25 to 2.5 hours of walking per week to reduce your risk of breast cancer by 18%.”(2) High-fat diets are a high risk cause of cancer to the breast exactly at 50%.